#define  _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
#include<assert.h>
int main()
{
	int arr[] = { 1,2,3,4,5,6,7,8,9 };
	memmove(arr + 2, arr, 5 * sizeof(int));
	for (int i = 0; i < 9; i++)
	{
		printf("%d", arr[i]);
	}
	return 0;
}